Home / 979,725.97-1,469,966.82-381,108.84

Finding the Fourth Proportional to 979,725.97, 1,469,966.82 and 381,108.84

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Solution

The fourth proportional to 979,725.97, 1,469,966.82 and 381,108.84 is: 571,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,725.97 : 1,469,966.82 = 381,108.84 : x
  2. Step 2: Convert to fraction form
    979,725.97/1,469,966.82 = 381,108.84/x
  3. Step 3: Cross multiply
    979,725.97x = 1,469,966.82 × 381,108.84
  4. Step 4: Simplify right side
    979,725.97x = 560,217,349,608.69
  5. Step 5: Solve for x
    x = 560,217,349,608.69/979,725.97
  6. Step 6: Final answer
    x = 571,810.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.